Installation: 1.copy ****.zip to root folder of the phone SD card (no need to unzip).
2.Turn off the phone, then keep pressing power button and volume+
3.Press the volume- and volume+ to move up and down to choose“wipe data/factory reset”, then press power button to confirm.
4.Choose “yes—delete all user data”, then press power button to enter the page as below.
5.It will enter below page after finishing delete all user data.
6.Then choose“apply update from sdcard”
7.Find and select the ROM, press power to enter the page as below.
8.Please make sure the power is sufficient during the upgrading. It will showed as below when the upgrading finished.
9.Choose “reboot system now”,then press power button to reboot your phone.
